Geri brings 3 water jugs to her soccer game to share with teammates. Each jug contains 6 liters of water. How many liters of water does Geri bring?

Note: This problem reviews multiplication with 3 units of 6 to solve word problems while also reinforcing measurement concepts. It leads into the discussion of commutativity in the Concept Development.

Concept Development

Part 1: Explore commutativity as it relates to multiplication.
Use tape diagrams to show that multiplication is commutative.

Part 2: Use the multiplication chart to find known facts through commutativity.

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